Oh god yes, my neighbors growing up, both mom and daughter were white girls with big round butts, they showed their panties constantly.
The daughter is a brunette who used to purposefully pull her panties up over her pants, I saw her with all types of different thongs, usually lace. The best ones I saw were a black lace thong, I was around her the whole day and at the start of the day they were barely peeking above her jeans in her crop top and by the end of the day they were completely exposed all the way around, even in the front. And another was a red thong trimmed with yellow, we were at an ice cream place and she was sitting there with a hoodie and leggings, all of a sudden she looked around, subtly pulled her hoodie up a bit and pulled her thong out of her pants, blatantly showing it to everyone, I think she was getting off to it. Both of these were while she was in college but back home over break
The mom wouldn’t purposefully whaletail but her butt was so big that she couldn’t help it. I saw her with lace thongs all the time. Her and my mom would use the hot tub at our house every once in a while and would both go naked. One time I walked in while they were stripping out of their panties and I caught my neighbor right as she was pulling down her red thong and got a look at her whole naked butt. What made it better is she didn’t stop when she saw me, I think she liked getting caught naked.
